Number:1E Name:METRIC MALE O-RING Description: THREAD DIMENSIONS PART NO. E? F A B L S 1E-12 M12X1.25 11 11 28 14 1E-14 M14X1.5 11 11 28 17 1E-16 M16X 1.5 11 11 28 17 1E-18 M18X1.5 11 11 28 19 1E-22 M22X1.5 12 12 32 24 1E-27 M27X1.5 13 13 36 30 1E-30 M30X1.5 14 14 39 32 1E-36 M36X2 16 16 43 38 1E -39 M39X2 18 18 49 41 1E-42 M42X2 20 20 53 46 1E-45 M45X2 21 21 55 46 1E- 52 M52X2 22 22 59 55 1E-60 M60X2 24 24 65 65 1E-64 M64X2 27 27 71 70 ?:O Note:The parameter of O-ring is ting inside diameter and ring width.